Pith Number

pith:S5VLLPKS

pith:2025:S5VLLPKSDVYOPY2HHTAX5A56AP

not attested not anchored not stored refs pending

Fundus Image Quality Assessment and Enhancement: a Systematic Review

Haojin Li, Heng Li, Huazhu Fu, Jiang Liu, Ke Niu, Mingyang Ou, Xiangyang Yu, Xiaoqing Zhang

arxiv:2501.11520 v1 · 2025-01-20 · eess.IV · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5VLLPKSDVYOPY2HHTAX5A56AP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T10:03:09.553492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

976ab5bd521d70e7e3473cc17e83be03c6c7ff4d291e277d47127632b248d6b3

Aliases

arxiv: 2501.11520 · arxiv_version: 2501.11520v1 · doi: 10.48550/arxiv.2501.11520 · pith_short_12: S5VLLPKSDVYO · pith_short_16: S5VLLPKSDVYOPY2H · pith_short_8: S5VLLPKS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/S5VLLPKSDVYOPY2HHTAX5A56AP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 976ab5bd521d70e7e3473cc17e83be03c6c7ff4d291e277d47127632b248d6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1ae62f4a9c48da72b93ea2472e525f566c947aa6a34f53dc413f754f4b2202",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-01-20T14:49:54Z",
    "title_canon_sha256": "6fea73facee383b39e8df595969b0be16300dd91c10dcc4943abfe45bf702f5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11520",
    "kind": "arxiv",
    "version": 1
  }
}